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Weightlessness

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Q: As the space shuttle orbits the Earth the shuttle and the astronauts accelerate towards the Earth with the same acceleration What effect does this create?
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What is the affect that occurs as a space shuttle orbits the Earth the shuttle and the astronauts accelerate towards the Earth with the same acceleration?

Weightlessness


What As the space shuttle orbits the earth the shuttle and the astronauts accelerate towards the earth with the same acceleration what effect does this create?

Weightlessness


Why do astronauts float around in the shuttle instead of falling?

They are falling ! As you see them on TV floating around in the shuttle (or outside it), they are falling towards the earth. So is the shuttle, at exactly the same acceleration, which is why they seem to hover in mid-air; they are moving exactly in time with the shuttle. In fact, shuttle and astronauts are both moving; pretty fast, too, around 18,000 mph. And that is the big secret as to why they don't crash to earth. They are falling towards the earth's surface, but the surface of the earth is curved. Because they are travelling around the earth, it's surface is receding from them, and it just happens to be moving away at the same rate as the shuttle (and contents) are falling towards it. This is called an orbit, and it doesn't really "just happen"; the engineers who program the launch vehicle take some trouble to get the final velocity just right to achieve the orbit that they want.


Does gravity effect astronauts in space shuttle?

Yes, it affects all objects in space (and all objects have a gravity of their own, that grows with size/"weight"). The reason why people talk about "zero gravity" in the space station and shuttle is because both the shuttle and the people inside it are affected by the same amount of gravity, so relatively they are falling at the same rate. Hence people inside the shuttle will not be moving towards the edge of the shuttle due to gravity. Take a football (the shuttle) and a tennis ball (some people) and hold them at the same distance from the ground and then release them (withuot adding any force, just let go). You will see that both objects will be affected by gravity, but relatively the tennis ball and the football are moving at the same speed. Now imagine that the tennis ball was inside the football and voilá, you have the shuttle scenario. Obviously the space shuttle is not falling directly towards the earth, it is actually "falling past it" - something that scientists call "orbit".


How are falling apples and the moon orbit of the moon alike?

They are both falling as a constant acceleration towards the earth

Related questions

What is the affect that occurs as a space shuttle orbits the Earth the shuttle and the astronauts accelerate towards the Earth with the same acceleration?

Weightlessness


What As the space shuttle orbits the earth the shuttle and the astronauts accelerate towards the earth with the same acceleration what effect does this create?

Weightlessness


When an object moves in circle acts to accelerate the object towards the center of the circle?

centripetal acceleration


Why do astronauts float around in the shuttle instead of falling?

They are falling ! As you see them on TV floating around in the shuttle (or outside it), they are falling towards the earth. So is the shuttle, at exactly the same acceleration, which is why they seem to hover in mid-air; they are moving exactly in time with the shuttle. In fact, shuttle and astronauts are both moving; pretty fast, too, around 18,000 mph. And that is the big secret as to why they don't crash to earth. They are falling towards the earth's surface, but the surface of the earth is curved. Because they are travelling around the earth, it's surface is receding from them, and it just happens to be moving away at the same rate as the shuttle (and contents) are falling towards it. This is called an orbit, and it doesn't really "just happen"; the engineers who program the launch vehicle take some trouble to get the final velocity just right to achieve the orbit that they want.


In what direction do objects travel in a circular path accelerate?

Objects traveling in a circular path accelerate towards the center of the circle due to centripetal acceleration. This acceleration is needed to keep the object moving in a curved path.


What the difference between the acceleration of a baseball one earth compared to the moon?

A baseball on Earth will accelerate towards the center at 9.8 m/s^2 A baseball on the Moon will accelerate towards the center at 1.63 m/s^2 (according to wiki)


How fast do objects accelerate when falling to the ground?

When falling to the ground (or even just in the air), the acceleration of an object depends on the gravitational pull of the object it is falling towards. Here on earth, all things fall relative to the earth which causes an acceleration of 9.81 m/s^2


Is the acceleration towards the inside of a curved path?

Centripetal acceleration.


A person is standing still away from a shuttle launch site. As the shuttle heads towards space the shuttle is getting smaller. What happens to the shadow of the shuttle?

Disappears.


Which direction does the centripetal acceleration point?

Centripetal acceleration is acceleration towards the center of the movement.


What is the direction of acceleration when moving in a circle?

The direction of the acceleration is towards the center. The magnitude of the acceleration is v2/r.


When does a car accelerate?

When you push on the pedal.Added:And that would be either the brake or gas pedal because the definition of acceleration is a change in speed slower OR faster.Answer:There are three types of acceleration that act on a car:Linear acceleration when you make the car go faster or slower. These activities push you into the seat or make you move forward as your body resists the change.Centripetal acceleration which occurs when you drive around a curve and you are thrown towards the outside of the curve.Gravitational acceleration occurs when your car crests a hill or stars on an upwards incline. You are pushed down (or up) by moving towards or away from Earths center